
# To build modules outside of the kernel tree, we run "make"
# in the kernel source tree; the Makefile these then includes this
# Makefile once again.
# This conditional selects whether we are being included from the
# kernel Makefile or not.
ifeq ($(KERNELRELEASE),)

    # Assume the source tree is where the running kernel was built
    # You should set KERNELDIR in the environment if it's elsewhere
    KERNELDIR ?= /media/lizuobin/扩展分区/kernel/linux-4.4
    # The current directory is passed to sub-makes as argument
    PWD := $(shell pwd)

modules:
	@echo "进入内核目录执行make modules..."
	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
	cp *.ko /home/work/nfs
clean:
	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions *.order *.symvers

.PHONY: modules modules_install clean

else

    # called from kernel build system: just declare what our modules are
    obj-m := touch_demo.o


endif


